#include <stdio.h>
#include "add.h"
#include "sub.h"
#include "mul.h"
#include "div.h"

int main()
{
    int a,b;
    printf("Enter a and b@> ");
    scanf("%d %d",&a,&b);
    printf("add(a,b): %d\n",add(a,b));
    printf("sub(a,b): %d\n",sub(a,b));
    printf("mul(a,b): %d\n",mul(a,b));
    printf("div(a,b): %.2f\n",div(a,b));
    return 0;
}